forked from mystiq/hydrogen-web
88 lines
3.3 KiB
TypeScript
88 lines
3.3 KiB
TypeScript
/*
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Copyright 2022 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import {ObservableMap} from "../../../observable/map/ObservableMap";
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import {Participant} from "./Participant";
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import {LocalMedia} from "../LocalMedia";
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import type {Track} from "../../../platform/types/MediaDevices";
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function getParticipantId(senderUserId: string, senderDeviceId: string | null) {
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return JSON.stringify(senderUserId) + JSON.stringify(senderDeviceId);
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}
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export class GroupCall {
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private readonly participants: ObservableMap<string, Participant> = new ObservableMap();
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private localMedia?: Promise<LocalMedia>;
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constructor(private readonly ownUserId: string, private callEvent: StateEvent, private readonly room: Room, private readonly webRTC: WebRTC) {
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}
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get id(): string { return this.callEvent.state_key; }
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async participate(tracks: Promise<Track[]>) {
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this.localMedia = tracks.then(tracks => LocalMedia.fromTracks(tracks));
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for (const [,participant] of this.participants) {
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participant.setLocalMedia(this.localMedia.then(localMedia => localMedia.clone()));
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}
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// send m.call.member state event
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// send invite to all participants that are < my userId
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for (const [,participant] of this.participants) {
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if (participant.userId < this.ownUserId) {
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participant.call();
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}
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}
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}
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updateCallEvent(callEvent: StateEvent) {
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this.callEvent = callEvent;
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}
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addParticipant(userId, source) {
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const participantId = getParticipantId(userId, source.device_id);
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const participant = this.participants.get(participantId);
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if (participant) {
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participant.updateSource(source);
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} else {
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participant.add(participantId, new Participant(userId, source.device_id, this.localMedia?.clone(), this.webRTC));
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}
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}
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handleDeviceMessage(senderUserId: string, senderDeviceId: string, eventType: string, content: Record<string, any>, log: ILogItem) {
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const participantId = getParticipantId(senderUserId, senderDeviceId);
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let peerCall = this.participants.get(participantId);
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let hasDeviceInKey = true;
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if (!peerCall) {
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hasDeviceInKey = false;
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peerCall = this.participants.get(getParticipantId(senderUserId, null))
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}
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if (peerCall) {
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peerCall.handleIncomingSignallingMessage(eventType, content, senderDeviceId);
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if (!hasDeviceInKey && peerCall.opponentPartyId) {
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this.participants.delete(getParticipantId(senderUserId, null));
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this.participants.add(getParticipantId(senderUserId, peerCall.opponentPartyId));
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}
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} else {
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// create peerCall
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}
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}
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get isTerminated(): boolean {
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return !!this.callEvent.content[CALL_TERMINATED];
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}
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}
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